// enums/Reflection.java
// Analyzing enums using reflection
package onJava8.enums;

import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Set;
import java.util.TreeSet;

enum Explore {HERE, THERE}

public class Reflection {
    public static Set<String> analyze(Class<?> enumClass) {
        System.out.println(
                "_____ Analyzing " + enumClass + " _____");
        System.out.println("Interfaces:");
        for (Type t : enumClass.getGenericInterfaces())
            System.out.println(t);
        System.out.println(
                "Base: " + enumClass.getSuperclass());
        System.out.println("Methods: ");
        Set<String> methods = new TreeSet<>();
        for (Method m : enumClass.getMethods())
            methods.add(m.getName());
        System.out.println(methods);
        return methods;
    }

    public static void main(String[] args) {
        Set<String> exploreMethods =
                analyze(Explore.class);
        Set<String> enumMethods = analyze(Enum.class);
        System.out.println(
                "Explore.containsAll(Enum)? " +
                        exploreMethods.containsAll(enumMethods));
        System.out.print("Explore.removeAll(Enum): ");
        exploreMethods.removeAll(enumMethods);
        System.out.println(exploreMethods);
// Decompile the code for the enum:
//        OSExecute.command(
//                "javap -cp build/classes/main Explore");
    }
}